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经营范围
发明名称
Procédé de décomposition du sable de zircon
摘要
申请公布号
FR1356621(A)
申请公布日期
1964.03.27
申请号
FR19630934168
申请日期
1963.05.08
申请人
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER
发明人
分类号
C01G25/02;C22B34/14
主分类号
C01G25/02
代理机构
代理人
主权项
地址
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